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ITS#9017 LMDB: allow using fixed file size on Windows

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Kris Zyp 2020-02-18 22:50:41 -07:00 committed by Howard Chu
parent da0527ac75
commit 147582b5dc
1 changed files with 7 additions and 0 deletions
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7
libraries/liblmdb/mdb.c
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@ -4469,7 +4469,14 @@ mdb_env_map(MDB_env *env, void *addr)
alloctype = MEM_RESERVE;
}
#ifdef MDB_FIXEDSIZE
LARGE_INTEGER fsize;
fsize.LowPart = msize & 0xffffffff;
fsize.HighPart = msize >> 16 >> 16;
rc = NtCreateSection(&mh, access, NULL, &fsize, secprot, SEC_RESERVE, env->me_fd);
#else
rc = NtCreateSection(&mh, access, NULL, NULL, secprot, SEC_RESERVE, env->me_fd);
#endif
if (rc)
return mdb_nt2win32(rc);
map = addr;